Gallery: Electricity poles and lines lay toppled on the road after Hurricane Maria hit the eastern region of the island, in Humacao, Puerto Rico, Wednesday, Sept. 20, 2017. The strongest hurricane to hit Puerto Rico in more than 80 years destroyed hundreds of homes, knocked out power across the entire island and turned some streets into raging rivers in an onslaught that could plunge the U.S. territory deeper into financial crisis.

Carlos Giusti – Associated Press

Gallery: Residents move aluminum panels from an intersection after Hurricane Maria hit the eastern region of the island, in Humacao, Puerto Rico, Wednesday, Sept. 20, 2017. The strongest hurricane to hit Puerto Rico in more than 80 years destroyed hundreds of homes, knocked out power across the entire island and turned some streets into raging rivers in an onslaught that could plunge the U.S. territory deeper into financial crisis.

Carlos Giusti – Associated Press

Gallery: A family helps clean the road after Hurricane Maria hit the eastern region of the island, in Humacao, Puerto Rico, Tuesday, September 20, 2017. The strongest hurricane to hit Puerto Rico in more than 80 years destroyed hundreds of homes, knocked out power across the entire island and turned some streets into raging rivers in an onslaught that could plunge the U.S. territory deeper into financial crisis.

Carlos Giusti – Associated Press

Gallery: People walk next to a gas station flooded and damaged by the impact of Hurricane Maria, which hit the eastern region of the island, in Humacao, Puerto Rico, Wednesday, September 20, 2017. The strongest hurricane to hit Puerto Rico in more than 80 years destroyed hundreds of homes, knocked out power across the entire island and turned some streets into raging rivers in an onslaught that could plunge the U.S. territory deeper into financial crisis.

Gallery: A boat floats in the ocean as Hurricane Maria approaches the coast of Bavaro, Dominican Republic, Wednesday, Sept. 20, 2017. The U.S. National Hurricane Center says Maria has lost its major hurricane status, after raking Puerto Rico. But forecasters say some strengthening is in the forecast and Maria could again become a major hurricane by Thursday. (AP Photo/Tatiana Fernandez)

Gallery: More than 500 residents of San Juan are taking refuge at Roberto Clemente Coliseum, the biggest shelter on the island. MUST CREDIT: Photo for The Washington Post by Dennis M. Rivera Pichardo

Jason Heskew – Associated Press

Gallery: In this photo provided by Jason Heskew, a downed tree blocks a street during Hurricane Maria in Old San Juan, Puerto Rico, Wednesday, Sept. 20, 2017. The strongest hurricane to hit Puerto Rico in over 80 years tore off roofs and doors, knocked out power across the entire island and unleashed heavy flooding. (Jason Heskew via AP)

ERIKA P. RODRIGUEZ – New York Times

Gallery: A flooded roadway after Hurricane Maria in Guaynabo, P.R., Sept. 20, 2017. Hurricane Maria battered Puerto Rico as a Category 4 storm on Wednesday, sending thousands of people scrambling to shelters and knocking out power on the island. (Erika P. Rodriguez/The New York Times)

ERIKA P. RODRIGUEZ – New York Times

Gallery: An abandoned car after Hurricane Maria in Guaynabo, P.R., Sept. 20, 2017. Hurricane Maria battered Puerto Rico as a Category 4 storm on Wednesday, sending thousands of people scrambling to shelters and knocking out power on the island. (Erika P. Rodriguez/The New York Times)

ERIKA P. RODRIGUEZ – New York Times

Gallery: The aftermath of Hurricane Maria in Guaynabo, P.R., Sept. 20, 2017. Hurricane Maria battered Puerto Rico as a Category 4 storm on Wednesday, sending thousands of people scrambling to shelters and knocking out power on the island. (Erika P. Rodriguez/The New York Times)

Carolyn Cole – TNS - TNS

Gallery: At the Sheraton Old San Juan, in Puerto Rico, people are waiting out Hurricane Maria on Sept. 20, 2017 on the second floor, some with their pets. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: At the Sheraton Old San Juan, in Puerto Rico, people are waiting out Hurricane Maria on Sept. 20, 2017 on the second floor, some with their pets. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: A dog sits in almost complete darkness with other caged animals on the ground floor of the Roberto Clemente Coliseum, a major shelter in San Juan, Puerto Rico, where evacuees were forced to move when the roof began to leak during Hurricane Maria, on Wednesday, Sept. 20, 2017. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: At the Roberto Clemente Coliseum shelter in San Juan, Puerto Rico, evacuees are forced to move when the roof began to leak during Hurricane Maria, on Wednesday, Sept. 20, 2017. Exhausted from a night of chaos, children sleep on their cots. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: In Old San Juan, Puerto Rico, Hurricane Maria tore down many trees and did damage to the many old structures in the area, on Wednesday, Sept. 20, 2017. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: People loot from a furniture store in a section of Old San Juan as Hurricane Maria left buildings damaged on Wednesday, Sept. 20, 2017. Police were in the area but not stopping the looting. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: Roberto Flores, left, helps move large tree limbs from a major road in San Juan, Puerto Rico, after Hurricane Maria did major damage to the city, on Wednesday, Sept. 20, 2017. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Carolyn Cole – TNS - TNS

Gallery: David Leininger leaves his flooded car in the parking lot in San Juan, Puerto Rico, after Hurricane Maria did major damage to the city, on Wednesday, Sept. 20, 2017. (Carolyn Cole/Los Angeles Times/TNS) ORG XMIT: 1211512

Tatiana Fernandez – Associated Press

Gallery: Wind shakes palm trees as Hurricane Maria approaches the coast of Bavaro, Dominican Republic, Wednesday, Sept. 20, 2017. The U.S. National Hurricane Center says Maria has lost its major hurricane status after raking Puerto Rico. But forecasters say some strengthening is in the forecast and Maria could again become a major hurricane by Thursday. (AP Photo/Tatiana Fernandez)

Gallery: A woman stares to the sea in front the iconic El Morro Fortress in Old San Juan on Tuesday ahead of Hurricane Maria's expected arrival. MUST CREDIT: Photo for The Washington Post by Dennis M. Rivera Pichardo